Updated for the holidays in Black Watch tartan, J.Crew's Perfect shirt features precisely placed darts for a slimming, waist-defining fit that's tailored and polished. Fun fact: this rich tartan plaid is named for the Black Watch, a regimen formed in 1725 to guard the Scottish highlands. Style Name:J.crew Perfect Club Collar Black Watch Plaid Shirt (Regular & Petite). Style Number: 5280292. Available in stores.